
HD20566 is in cassiopée. It's an emission lines star of B spectral type with not known luminosity class or nature.
SIMBAD
Balmer serie is in emission, weak FeII emission lines along the continnum and numerous spectral features in absorption from a cool companion. HeI in absorption, FeII in emission showed that spectral type is between B3 and B5.
Mes derniers spectres montrent la présence d'un compagnon froid, un peu similaire à FF cam, Les raies HeI sont en absorption et FeII en émission ça semble indiquer un type spectral entre B3...
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